Home / 2,903.08-4,007.94-1,856.68

Finding the Fourth Proportional to 2,903.08, 4,007.94 and 1,856.68

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Solution

The fourth proportional to 2,903.08, 4,007.94 and 1,856.68 is: 2,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.08 : 4,007.94 = 1,856.68 : x
  2. Step 2: Convert to fraction form
    2,903.08/4,007.94 = 1,856.68/x
  3. Step 3: Cross multiply
    2,903.08x = 4,007.94 × 1,856.68
  4. Step 4: Simplify right side
    2,903.08x = 7,441,462.04
  5. Step 5: Solve for x
    x = 7,441,462.04/2,903.08
  6. Step 6: Final answer
    x = 2,563.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.